package com.kob.design.adapter.object_adapter;

/**
 * @Description: 计算机类
 * @Author: fyt
 * @Date: 2024/4/16 16:09
 **/
public class Computer {
    //从sd卡中读取数据
    public String readSD(SDCard sdCard){
        if(sdCard==null){
            throw  new NullPointerException("sd card is not null");
        }
        return sdCard.readSD();
    }
}
